Subpoena ad testificandum — A subpoena ad testificandum is a court summons to appear and give oral testimony for use at a hearing or trial. The subpoena developed as a creative writ, the writ subpoena , from the Court of Chancery. Writs of many kinds formed the essential… … Wikipedia

Subpoena ad testificandum — Subpoena Sub*p[oe] na, n. [NL., fr. L. sub under + poena punishment. See {Pain}.] (Law) A writ commanding the attendance in court, as a witness, of the person on whom it is served, under a penalty; the process by which a defendant in equity is… … The Collaborative International Dictionary of English

subpoena — sub·poe·na 1 also sub·pe·na /sə pē nə/ n [Latin sub poena under penalty]: a writ commanding a designated person upon whom it has been served to appear (as in court or before a congressional committee) under a penalty (as a charge of contempt) for … Law dictionary